diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
index 2e04462bb0..3ec9ff9308 100755
--- a/t/t9902-completion.sh
+++ b/t/t9902-completion.sh
@@ -75,6 +75,12 @@ run_completion ()
 	__git_wrap__git_main && print_comp
 }
 
+run_func ()
+{
+	local -a COMPREPLY &&
+	"$@" && print_comp
+}
+
 # Test high-level completion
 # Arguments are:
 # 1: typed text so far (cur)
@@ -452,8 +458,7 @@ test_expect_success '__gitcomp_direct - puts everything into COMPREPLY as-is' '
 	EOF
 	(
 		cur=should_be_ignored &&
-		__gitcomp_direct "$(cat expected)" &&
-		print_comp
+		run_func __gitcomp_direct "$(cat expected)"
 	) &&
 	test_cmp expected out
 '
@@ -547,7 +552,7 @@ test_expect_success '__gitcomp - equal skip' '
 '
 
 test_expect_success '__gitcomp - doesnt fail because of invalid variable name' '
-	__gitcomp "$invalid_variable_name"
+	run_func __gitcomp "$invalid_variable_name"
 '
 
 read -r -d "" refs <<-\EOF
@@ -586,7 +591,7 @@ test_expect_success '__gitcomp_nl - no suffix' '
 '
 
 test_expect_success '__gitcomp_nl - doesnt fail because of invalid variable name' '
-	__gitcomp_nl "$invalid_variable_name"
+	run_func __gitcomp_nl "$invalid_variable_name"
 '
 
 test_expect_success '__git_remotes - list remotes from $GIT_DIR/remotes and from config file' '
@@ -1086,8 +1091,7 @@ test_expect_success '__git_complete_refs - simple' '
 	EOF
 	(
 		cur= &&
-		__git_complete_refs &&
-		print_comp
+		run_func __git_complete_refs
 	) &&
 	test_cmp expected out
 '
@@ -1099,8 +1103,7 @@ test_expect_success '__git_complete_refs - matching' '
 	EOF
 	(
 		cur=mat &&
-		__git_complete_refs &&
-		print_comp
+		run_func __git_complete_refs
 	) &&
 	test_cmp expected out
 '
@@ -1113,8 +1116,7 @@ test_expect_success '__git_complete_refs - remote' '
 	EOF
 	(
 		cur= &&
-		__git_complete_refs --remote=other &&
-		print_comp
+		run_func __git_complete_refs --remote=other
 	) &&
 	test_cmp expected out
 '
@@ -1132,8 +1134,7 @@ test_expect_success '__git_complete_refs - track' '
 	EOF
 	(
 		cur= &&
-		__git_complete_refs --track &&
-		print_comp
+		run_func __git_complete_refs --track
 	) &&
 	test_cmp expected out
 '
@@ -1145,8 +1146,7 @@ test_expect_success '__git_complete_refs - current word' '
 	EOF
 	(
 		cur="--option=mat" &&
-		__git_complete_refs --cur="${cur#*=}" &&
-		print_comp
+		run_func __git_complete_refs --cur="${cur#*=}"
 	) &&
 	test_cmp expected out
 '
@@ -1158,8 +1158,7 @@ test_expect_success '__git_complete_refs - prefix' '
 	EOF
 	(
 		cur=v1.0..mat &&
-		__git_complete_refs --pfx=v1.0.. --cur=mat &&
-		print_comp
+		run_func __git_complete_refs --pfx=v1.0.. --cur=mat
 	) &&
 	test_cmp expected out
 '
@@ -1175,8 +1174,7 @@ test_expect_success '__git_complete_refs - suffix' '
 	EOF
 	(
 		cur= &&
-		__git_complete_refs --sfx=. &&
-		print_comp
+		run_func __git_complete_refs --sfx=.
 	) &&
 	test_cmp expected out
 '
@@ -1189,8 +1187,7 @@ test_expect_success '__git_complete_fetch_refspecs - simple' '
 	EOF
 	(
 		cur= &&
-		__git_complete_fetch_refspecs other &&
-		print_comp
+		run_func __git_complete_fetch_refspecs other
 	) &&
 	test_cmp expected out
 '
@@ -1201,8 +1198,7 @@ test_expect_success '__git_complete_fetch_refspecs - matching' '
 	EOF
 	(
 		cur=br &&
-		__git_complete_fetch_refspecs other "" br &&
-		print_comp
+		run_func __git_complete_fetch_refspecs other "" br
 	) &&
 	test_cmp expected out
 '
@@ -1215,8 +1211,7 @@ test_expect_success '__git_complete_fetch_refspecs - prefix' '
 	EOF
 	(
 		cur="+" &&
-		__git_complete_fetch_refspecs other "+" ""  &&
-		print_comp
+		run_func __git_complete_fetch_refspecs other "+" ""
 	) &&
 	test_cmp expected out
 '
@@ -1229,8 +1224,7 @@ test_expect_success '__git_complete_fetch_refspecs - fully qualified' '
 	EOF
 	(
 		cur=refs/ &&
-		__git_complete_fetch_refspecs other "" refs/ &&
-		print_comp
+		run_func __git_complete_fetch_refspecs other "" refs/
 	) &&
 	test_cmp expected out
 '
@@ -1243,8 +1237,7 @@ test_expect_success '__git_complete_fetch_refspecs - fully qualified & prefix' '
 	EOF
 	(
 		cur=+refs/ &&
-		__git_complete_fetch_refspecs other + refs/ &&
-		print_comp
+		run_func __git_complete_fetch_refspecs other + refs/
 	) &&
 	test_cmp expected out
 '
@@ -1775,8 +1768,7 @@ test_path_completion ()
 		# unusual characters in path names.  By requesting only
 		# untracked files we do not have to bother adding any
 		# paths to the index in those tests.
-		__git_complete_index_file --others &&
-		print_comp
+		run_func __git_complete_index_file --others
 	) &&
 	test_cmp expected out
 }
@@ -2261,8 +2253,7 @@ do
 		(
 			words=(git push '$flag' other ma) &&
 			cword=${#words[@]} cur=${words[cword-1]} &&
-			__git_complete_remote_or_refspec &&
-			print_comp
+			run_func __git_complete_remote_or_refspec
 		) &&
 		test_cmp expected out
 	'
@@ -2274,8 +2265,7 @@ do
 		(
 			words=(git push other '$flag' ma) &&
 			cword=${#words[@]} cur=${words[cword-1]} &&
-			__git_complete_remote_or_refspec &&
-			print_comp
+			run_func __git_complete_remote_or_refspec
 		) &&
 		test_cmp expected out
 	'
